<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Document</title>
<script src="/CHENG-ZAO-ZAO/js/vue.js"></script>
</head>
<body>
     <div id="app">
        <h3>复选框单独使用时:</h3>
        <input type="checkbox" id="picked" v-model="text">
        <label for="picked">{{text}}</label>
       <p>{{msg}}</p >
     </div>
<br>
   <script>
       let app = new Vue({
        el:"#app",
        data:{
            text:false
        }
       })
    </script>
</body>
</html>